${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \eta}^{\,'}{(958)}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M070.23
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{25}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \eta}^{\,'}{(958)}}$ ($8.1$ $\pm0.8$) $ \times 10^{-5}$ S=1.6  1281
Category: Decays involving hadronic resonances
The following data is related to the above value:
$\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \eta}^{\,'}{(958)}})/\Gamma_{\text{total}}$
$\Gamma_{25}/\Gamma$